/**
 * Copyright (C) 2012 by Matias Niemela
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
angular.module('Scope.safeApply', []).run(function($rootScope) {

  $rootScope.$safeApply = function() {
    var $scope, fn, force = false;
    if(arguments.length == 1) {
      var arg = arguments[0];
      if(typeof arg == 'function') {
        fn = arg;
      }
      else {
        $scope = arg;
      }
    }
    else {
      $scope = arguments[0];
      fn = arguments[1];
      if(arguments.length == 3) {
        force = !!arguments[2];
      }
    }
    $scope = $scope || this;
    fn = fn || function() { };
    if(force || !$scope.$$phase) {
      $scope.$apply ? $scope.$apply(fn) : $scope.apply(fn);
    }
    else {
      fn();
    }
  };

});
